Question

write a pair of a irrational number whose difference is irrational.
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Answer 1

Answer:

(3+2 )and (2-3) are irrational number whose difference is 3-2+5, which is irrational

Answer 2

Answer:

$( \sqrt{5 } + 4) \: - \: ( \sqrt{4 } - 5) \\ = \sqrt{4} + 5 - \sqrt{5} + 4 \ \\ = \sqrt{4} - \sqrt{5} + 9$